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https://issues.apache.org/jira/browse/HBASE-14169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660383#comment-14660383
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Matteo Bertozzi commented on HBASE-14169:
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+1 you have to remove the ServerName, ClusterStatus import in
AccessControlClient to make the checkstyle happy, but it's ok for me.
on failure we have some server with the old conf and some with the new one and
the user must re-exec the operation, but that's what proc-v2 will solve. so ok,
for now just making it as a note.
> API to refreshSuperUserGroupsConfiguration
> ------------------------------------------
>
> Key: HBASE-14169
> URL: https://issues.apache.org/jira/browse/HBASE-14169
> Project: HBase
> Issue Type: New Feature
> Reporter: Francis Liu
> Assignee: Francis Liu
> Attachments: HBASE-14169.patch, HBASE-14169_2.patch
>
>
> For deployments that use security. User impersonation (AKA doAs()) is needed
> for some services (ie Stargate, thriftserver, Oozie, etc). Impersonation
> definitions are defined in a xml config file and read and cached by the
> ProxyUsers class. Calling this api will refresh cached information,
> eliminating the need to restart the master/regionserver whenever the
> configuration is changed.
> Implementation just adds another method to AccessControlService.
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